About Mother Lode BLM

The Mother Lode Field Office is directly responsible for approximately 230,000 acres of Public Land scattered throughout fourteen Central California counties. Most of the acreage is within the historic Mother Lode region of the Sierra Nevada Range (with the exception of the Cosumnes River Preserve in southern Sacramento County). The resource area stretches from Yuba County (in the north), to Mariposa County (in the south).